The cell cycle has been the subject of intense investigation during two periods since Virchow's 1855 realization that cells only arise from pre-existing cells. At the turn of the century ...

Different models of cell cycle regulation converged when scientists realized that different model organisms shared the same molecules. See how data from frogs and yeast were reconciled.

The scientists used a retroviral vector to deactivate a gene which stops a cell's life cycle and to alter the ... the ...